Estimates are that __________ of the world's population regularly consumes products containing caffeine
a. 20%
b. 50%
c. 75%
d. 90%
d
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People with an extraverted personality have what disadvantage, on average?
a. Increased probability of risky behaviors b. Greater risk of feeling lonely c. Increased risk of depression d. Tendency for other people to distrust them
People who bear one dominant and one recessive gene for a trait are
a. going to automatically pass that characteristic on to their offspring. b. definitely going to develop that characteristic. c. called "carriers" of the recessive gene. d. not going to pass that characteristic on to their offspring.
Caffeine has been used in a variety of medications to produce __________
a. cerebral stimulation b. diuresis c. coronary constriction d. all of these e. cerebral stimulation and diuresis only
If treatment is provided early, about ________ of people who suffer from anorexia nervosa are able to fully recover
a. one-tenth c. two-thirds b. one-half d. three-fourths